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<div class="subTitle">org.apache.commons.codec.binary</div>
<h2 title="Class BaseNCodecInputStream" class="title">Class BaseNCodecInputStream</h2>
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<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</a></li>
<li>
<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">java.io.FilterInputStream</a></li>
<li>
<ul class="inheritance">
<li>org.apache.commons.codec.binary.BaseNCodecInputStream</li>
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</ul>
</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/commons/codec/binary/Base32InputStream.html" title="class in org.apache.commons.codec.binary">Base32InputStream</a>, <a href="../../../../../org/apache/commons/codec/binary/Base64InputStream.html" title="class in org.apache.commons.codec.binary">Base64InputStream</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">BaseNCodecInputStream</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></pre>
<div class="block">Abstract superclass for Base-N input streams.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.5</dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: BaseNCodecInputStream.java 1429868 2013-01-07 16:08:05Z ggregory $</dd></dl>
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<h3>Fields inherited from class&nbsp;java.io.<a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#in" title="class or interface in java.io">in</a></code></li>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#BaseNCodecInputStream(java.io.InputStream,%20org.apache.commons.codec.binary.BaseNCodec,%20boolean)">BaseNCodecInputStream</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in,
                     <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">BaseNCodec</a>&nbsp;baseNCodec,
                     boolean&nbsp;doEncode)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#available()">available</a></strong>()</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#mark(int)">mark</a></strong>(int&nbsp;readLimit)</code>
<div class="block">Marks the current position in this input stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#markSupported()">markSupported</a></strong>()</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#read()">read</a></strong>()</code>
<div class="block">Reads one <code>byte</code> from this input stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#read(byte[],%20int,%20int)">read</a></strong>(byte[]&nbsp;b,
    int&nbsp;offset,
    int&nbsp;len)</code>
<div class="block">Attempts to read <code>len</code> bytes into the specified <code>b</code> array starting at <code>offset</code>
 from this InputStream.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#reset()">reset</a></strong>()</code>
<div class="block">Repositions this stream to the position at the time the mark method was last called on this input stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#skip(long)">skip</a></strong>(long&nbsp;n)</code></td>
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<h3>Methods inherited from class&nbsp;java.io.<a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#close()" title="class or interface in java.io">close</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#read(byte[])" title="class or interface in java.io">read</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Constructor Detail</h3>
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<h4>BaseNCodecInputStream</h4>
<pre>protected&nbsp;BaseNCodecInputStream(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in,
                     <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">BaseNCodec</a>&nbsp;baseNCodec,
                     boolean&nbsp;doEncode)</pre>
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<h3>Method Detail</h3>
<a name="available()">
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<h4>available</h4>
<pre>public&nbsp;int&nbsp;available()
              throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#available()" title="class or interface in java.io">available</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd><code>0</code> if the <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> has reached <code>EOF</code>,
 <code>1</code> otherwise</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd><dt><span class="strong">Since:</span></dt>
  <dd>1.7</dd></dl>
</li>
</ul>
<a name="mark(int)">
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<h4>mark</h4>
<pre>public&nbsp;void&nbsp;mark(int&nbsp;readLimit)</pre>
<div class="block">Marks the current position in this input stream.
 <p>The <a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#mark(int)"><code>mark(int)</code></a> method of <a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html" title="class in org.apache.commons.codec.binary"><code>BaseNCodecInputStream</code></a> does nothing.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#mark(int)" title="class or interface in java.io">mark</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>readLimit</code> - the maximum limit of bytes that can be read before the mark position becomes invalid.</dd><dt><span class="strong">Since:</span></dt>
  <dd>1.7</dd></dl>
</li>
</ul>
<a name="markSupported()">
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<h4>markSupported</h4>
<pre>public&nbsp;boolean&nbsp;markSupported()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#markSupported()" title="class or interface in java.io">markSupported</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>always returns <code>false</code></dd></dl>
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<a name="read()">
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<h4>read</h4>
<pre>public&nbsp;int&nbsp;read()
         throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Reads one <code>byte</code> from this input stream.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#read()" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the byte as an integer in the range 0 to 255. Returns -1 if EOF has been reached.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd></dl>
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<h4>read</h4>
<pre>public&nbsp;int&nbsp;read(byte[]&nbsp;b,
       int&nbsp;offset,
       int&nbsp;len)
         throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Attempts to read <code>len</code> bytes into the specified <code>b</code> array starting at <code>offset</code>
 from this InputStream.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#read(byte[],%20int,%20int)" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>b</code> - destination byte array</dd><dd><code>offset</code> - where to start writing the bytes</dd><dd><code>len</code> - maximum number of bytes to read</dd>
<dt><span class="strong">Returns:</span></dt><dd>number of bytes read</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs.</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the byte array parameter is null</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</a></code> - if offset, len or buffer size are invalid</dd></dl>
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<h4>reset</h4>
<pre>public&nbsp;void&nbsp;reset()
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Repositions this stream to the position at the time the mark method was last called on this input stream.
 <p>
 The <a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html#reset()"><code>reset()</code></a> method of <a href="../../../../../org/apache/commons/codec/binary/BaseNCodecInputStream.html" title="class in org.apache.commons.codec.binary"><code>BaseNCodecInputStream</code></a> does nothing except throw an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#reset()" title="class or interface in java.io">reset</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if this method is invoked</dd><dt><span class="strong">Since:</span></dt>
  <dd>1.7</dd></dl>
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<h4>skip</h4>
<pre>public&nbsp;long&nbsp;skip(long&nbsp;n)
          throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true#skip(long)" title="class or interface in java.io">skip</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if the provided skip length is negative</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd><dt><span class="strong">Since:</span></dt>
  <dd>1.7</dd></dl>
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